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Diffstat (limited to '')
| -rw-r--r-- | lib/vsprintf.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 532b6606a18a..7c47ad52ce2f 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -794,6 +794,13 @@ static char *ptr_to_id(char *buf, char *end, const void *ptr, unsigned long hashval; int ret; + /* + * Print the real pointer value for NULL and error pointers, + * as they are not actual addresses. + */ + if (IS_ERR_OR_NULL(ptr)) + return pointer_string(buf, end, ptr, spec); + /* When debugging early boot use non-cryptographically secure hash. */ if (unlikely(debug_boot_weak_hash)) { hashval = hash_long((unsigned long)ptr, 32); |